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| Mirrors > Home > ILE Home > Th. List > ifcldadc | Unicode version | ||
| Description: Conditional closure. (Contributed by Jim Kingdon, 11-Jan-2022.) |
| Ref | Expression |
|---|---|
| ifcldadc.1 |
|
| ifcldadc.2 |
|
| ifcldadc.dc |
|
| Ref | Expression |
|---|---|
| ifcldadc |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | iftrue 3631 |
. . . 4
| |
| 2 | 1 | adantl 277 |
. . 3
|
| 3 | ifcldadc.1 |
. . 3
| |
| 4 | 2, 3 | eqeltrd 2311 |
. 2
|
| 5 | iffalse 3634 |
. . . 4
| |
| 6 | 5 | adantl 277 |
. . 3
|
| 7 | ifcldadc.2 |
. . 3
| |
| 8 | 6, 7 | eqeltrd 2311 |
. 2
|
| 9 | ifcldadc.dc |
. . 3
| |
| 10 | exmiddc 844 |
. . 3
| |
| 11 | 9, 10 | syl 14 |
. 2
|
| 12 | 4, 8, 11 | mpjaodan 806 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-11 1555 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 |
| This theorem depends on definitions: df-bi 117 df-dc 843 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-if 3625 |
| This theorem is referenced by: updjudhf 7383 omp1eomlem 7398 difinfsnlem 7403 ctmlemr 7412 ctssdclemn0 7414 ctssdc 7417 enumctlemm 7418 xaddf 10196 xaddval 10197 iseqf1olemqcl 10885 iseqf1olemnab 10887 iseqf1olemjpcl 10894 iseqf1olemqpcl 10895 seq3f1oleml 10902 seq3f1o 10903 exp3val 10927 ccatcl 11306 swrdclg 11367 xrmaxiflemcl 11955 summodclem2a 12092 zsumdc 12095 fsum3 12098 isumss 12102 fsum3cvg2 12105 fsum3ser 12108 fsumcl2lem 12109 fsumadd 12117 sumsnf 12120 sumsplitdc 12143 fsummulc2 12159 isumlessdc 12207 cvgratz 12243 prodmodclem3 12286 prodmodclem2a 12287 zproddc 12290 fprodseq 12294 fprodmul 12302 prodsnf 12303 eucalgval2 12775 lcmval 12785 pcmpt 13066 ballotfilemsv 13197 ballotfilemsdom 13199 ennnfonelemg 13238 mulgval 13875 mulgfng 13877 elplyd 15732 dvply1 15756 lgsval 16003 lgsfvalg 16004 lgsfcl2 16005 lgscllem 16006 lgsval2lem 16009 lgsdir 16034 lgsdilem2 16035 lgsdi 16036 lgsne0 16037 subctctexmid 16900 |
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